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LC4931 Potassium dihydrogen phosphate
for analysis EMSURE ISO

 

Order number Packaging Quantity Price €
AC31931 Plastic bottle 250 g 12.33
AC31931 Plastic bottle 1 kg 35.33
AC31931 Plastic bottle 5 kg 137.7
AC31931 Fibre carton 25 kg Inquire
AC31931 Fibre carton 50 kg Inquire

 

Product information
Grade ISO
Synonyms mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic
Hill Formula H2KO4P
Chemical formula KH2PO4
HS Code 2835 24 00
EC number 231-913-4
Molar mass 136.08 g/mol
CAS number 7778-77-0

 

Chemical and physical data
Solubility 222 g/l (20 °C)
Melting point ca.253 °C (decomposition)
Molar mass 136.08 g/mol
Density 2.34 g/cm3 (20 °C)
Bulk density 1200 kg/m3
pH value 4.4 (50 g/l, H2O, 20 °C)

 

Safety information
RTECS TC6615500
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 14
Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

 

Transport information
Declaration (transport by sea) IMDG-Code No Dangerous Good
Declaration (transport by air) IATA-DGR No Dangerous Good

 

Toxicological data
LD 50 oral LD50 rabbit > 4640 mg/kg

 

Specifications
Assay
– alkalimetric
99.5 – 100.5 %
– alkalimetric over dried substance ≥ 99.5 %
pH-value (5 %; water, 25 °C) 4.2 – 4.5
Chloride (Cl) ≤ 0.0005 %
Sulphate (SO4) ≤ 0.003 %
Total nitrogen (N) ≤ 0.001 %
Heavy metals (as Pb) ≤ 0.001 %
As (Arsenic) ≤ 0.0002 %
Cu (Copper) ≤ 0.0003 %
Fe (Iron) ≤ 0.001 %
Na (Sodium) ≤ 0.02 %
Pb (Lead) ≤ 0.001 %
Reducing substances passes test
Loss on drying
– 110 °C
≤ 0.2 %
– 130 °C ≤ 0.2 %